2UGI

PROTEIN MIMICRY OF DNA FROM CRYSTAL STRUCTURES OF THE URACIL GLYCOSYLASE INHIBITOR PROTEIN AND ITS COMPLEX WITH ESCHERICHIA COLI URACIL-DNA GLYCOSYLASE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherUGI FROM THE HUMAN UDG:UGI CRYSTAL STRUCTURE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.2293(NH4)2SO4, IMIDAZOLE, MALATE, (NH4)2SO4, pH 8.2, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
2.448

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.092α = 90
b = 59.387β = 90
c = 73.583γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray150CCDPRINCETON 2KMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE A1CHESSA1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.23095.50.06919.73.6950735.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2691.80.2516.23

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTUGI FROM THE HUMAN UDG:UGI CRYSTAL STRUCTURE2.2209435943595896.10.2270.28RANDOM47
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-8.345.6432.7
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d25.3
x_scangle_it3.888
x_mcangle_it2.724
x_scbond_it2.417
x_mcbond_it1.556
x_angle_deg1.5
x_improper_angle_d1.25
x_bond_d0.008
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d25.3
x_scangle_it3.888
x_mcangle_it2.724
x_scbond_it2.417
x_mcbond_it1.556
x_angle_deg1.5
x_improper_angle_d1.25
x_bond_d0.008
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1308
Nucleic Acid Atoms
Solvent Atoms71
Heterogen Atoms5

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
X-PLORrefinement